Efficient and durable ultra-thin solar cells

Ultra-thin, flexible, organic solar cells that degrade less than 5 percent after 3,000 hours and an energy conversion ratio of 13%.
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Bacterial drug resistance studied by robotic E. coli evolution

Experimentally evolving E. coli under pressure from a large number of antibiotics was able to identify constraints underlying evolved drug resistance.
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Evolution of the inner ear: insights from jawless fish

A new story for inner ear evolution based on the developmental patterning found in hagfish, one of two extant jawless vertebrates and a link to the last common ancestor of modern jawed vertebrates.

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Quick, call Spiderman: scientists discover how spider silk is formed

A group of scientists led by researchers have discovered a key mechanism through which spider silk is formed.

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Two genes that regulate how much we dream

An international research team led by RIKEN BDR has identified a pair of genes that regulate how much REM (dream) and non-REM sleep an animal experiences.

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Random movements help color-detecting cells form the proper pattern

Scientists have used a mathematical model to explain why zebrafish cone cells in the eye are arranged in a specific pattern in all individuals.

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How group size affects cooperation: Insights from brain science

Using the prisoners dilemma game, brain scientists showed that larger group size reduces cooperation.
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COVID-19: Changing the way we do research

COVID-19 series — Part #4: Team Leader Aki Minoda from RIKEN IMS talks about how the pandemic has affected the way we work.
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RIKEN Research Winter Issue

It’s almost the end of the year and a here’s an early holiday present! The winter issue of RIKEN Research is here, covering plant parasites, depression, atomic clocks, and more! Enjoy!

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First hydride-ion battery that works at room temperature

Researchers develop a new solid electrolyte that can conduct hydride ions, thus allowing better hydrogen-based batteries and fuel cells.
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Japanese people are a mixture of three separate ancestral groups

A new study shows that the current Japanese population is derived from 3 ancestral groups, one of which brought Denisovan DNA to the party.
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Recipe for hydrogen: sprinkle manganese oxide with iridium atoms, add water

A few iridium atoms also go a long way. When sprinkled on manganese oxide, hydrogen is produced with 95% less iridium!
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Artificial gravity protects the immune system of mice in space

Mice who experienced artificial gravity on the ISS suffered less damage to their immune system (thymus) than weightless mice did.
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New lab-grown retinal sheets almost ready for clinical trials

A new retinal transplant technique works by preventing bipolar cells from maturing in lab-grown retinal sheets.
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Social contact-seeking behavior and loneliness in the brain

Levels of the peptide amylin in the brain are related to loneliness; activating amylin neurons in the MPOA drives isolated mice to seek social contact.
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Diazoxide pills for Alzheimer’s disease?

Drug therapy with with diazoxide relieved symptoms of Alzheimer’s disease in the brains of mice and improved memory.
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